according to the u-n, 35- point-three million people around the world are living with h-i-v, and only nine- point- seven million of them have access to treatment. r >> the time is 4:23 a.m. will be right back. >> welcome back. when you buy stuff on amazon-dot-com, you could soon have it at your doorstep through a new deliver service called amazon hopes to have unmanned drones -- which look like toy helicopters -- to deliver packages to your doorstep. in an interview, amazon c-e- o jeff bezos says the drones will be ready in four or five years. shh the octocopters amazon would use are currently in they can only carry packages which weigh up to five pounds, but amazon says 90- percent of the packages it deliveries weigh less than that. >> >> san mateo county libraries are in the giving and for- giving mood this holiday season. starting in december. residents will be allowed to pay off over due library fines by donating non- perishable foods. that food will be given to bank. library officials also encourage those without fees to still donate goods. last year, the food drive effort collec